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Proceedings Paper

Selective retransmission protocol for multimedia on the Internet
Author(s): Michael T. Piecuch; Kenneth French; George Oprica; Mark Claypool
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Paper Abstract

Internet multimedia applications have different requirements than do traditional text-based applications, placing new demands on TCP and UDP, the dc-facto Internet transport protocols. We propose a Selective Retransmission Protocol (SRP) to balance the potentially high loss found in UDP with the potentially high latency found in TCP. SRP uses an applicationspecific decision algorithm to determine whether or not to ask for a retransmission for a lost packet, adjusting the loss and latency to the optimum level for the application. We develop and experimentally evaluate an audioconference using SRP on a wide-area network testhed. We find SRP outperforms both TCP and UDP in terms of multimedia application quality.

Paper Details

Date Published: 22 March 2001
PDF: 12 pages
Proc. SPIE 4209, Multimedia Systems and Applications III, (22 March 2001); doi: 10.1117/12.420808
Show Author Affiliations
Michael T. Piecuch, Worcester Polytechnic Institute (United States)
Kenneth French, Worcester Polytechnic Institute (United States)
George Oprica, Worcester Polytechnic Institute (United States)
Mark Claypool, Worcester Polytechnic Institute (United States)


Published in SPIE Proceedings Vol. 4209:
Multimedia Systems and Applications III
Andrew G. Tescher; Bhaskaran Vasudev; V. Michael Bove Jr., Editor(s)

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